세미나 구독자 분들께,
안녕하세요. 7/9, 7/23에 예정된 두가지 줌 강연을 안내드립니다. 관심있는 분들은 참여바랍니다.
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日時:
2025年7月9日(水) 14:30~16:00
場所:
I-siteなんば S1 (及びZoomでのハイブリッドの予定)
https://www.omu.ac.jp/isite/
講演者:
池田 岳氏(早稲田大学 理工学術院 基幹理工学部)
タイトル:
Equivariant K-homology of the affine Grassmannian of the symplectic group
アブストラクト
We study the equivariant $K$-homology of the affine Grassmannian of the
symplectic group. This continues the development of affine Schubert
calculus, initiated by Peterson, with a major milestone being Lam’s
resolution of Shimozono’s conjecture in type A. Our aim is to generalize
these results to other types and to deepen the structural understanding of
equivariant K-homology. More precisely, we introduce affine double
$gp$-functions as combinatorial counterparts of the structure sheaves in
the torus-equivariant $K$-homology of the affine Grassmannian of type C.
This work is based on joint research with Mark Shimozono and Kohei
Yamaguchi.
https://omu-ac-jp.zoom.us/j/92690571455?pwd=NOCkjEJr4YU9NRypaocmLfRCSdZ8oY.1
ミーティング ID: 926 9057 1455
パスコード: 854078
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日時:
2025年7月23日(水) 15:30~17:00
場所:
I-siteなんば S1 (及びZoomでのハイブリッドの予定)
https://www.omu.ac.jp/isite/
講演者:
村田 遼人氏(東京大学 数理科学研究科)
タイトル:
A diagrammatic approach to reflection functors
アブストラクト
For an arbitrary symmetrizable generalized Cartan matrix, the category of
modules over the quiver Hecke algebra provides a categorification of the
associated quantum group. In this talk, I will present a detailed
construction of reflection functors that categorify Lusztig's braid group
action, from the viewpoint of higher representation theory. Similar
functors have recently been constructed independently by
Kashiwara-Kim-Oh-Park.
https://omu-ac-jp.zoom.us/j/91926890789?pwd=ry6OKJbvi55f7lBxPz49ZTMoPZtnGL.1
ミーティング ID: 919 2689 0789
パスコード: 682616
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감사합니다.
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